1. plural of estivation; the arrangement of flower parts (especially petals and sepals) in a bud before the flower opens
Usage: botany; also spelled aestivation in British English
2. plural of estivation; a state of dormancy or torpor in which certain animals remain inactive during hot, dry seasons
Usage: zoology

Examples

• The estivations of the flower's petals follow a specific pattern unique to each species.
• Botanists study different estivations to classify and identify plant families.
• During summer droughts, certain frogs enter estivations to conserve water and energy.
• The estivations observed in desert-dwelling insects help them survive extreme heat.
• Understanding estivations in both botany and zoology reveals how organisms adapt to their environments.